Primary tabs

The Department of Water Resources (DWR) is responsible for managing and protecting California’s water resources. DWR works with other agencies to benefit the State’s people and to protect, restore and enhance the natural and human environments.

California Department of Water Resources

The following data and resources were used for the 2018 SGMA Basin
Prioritization of California’s groundwater basins and subbasins. The
Department of Water Resources is mandated by California Water Code Section
10933(b) to prioritize each basin...

Groundwater Elevation Change Maps summarize the change in groundwater level
measurements over time, collected from wells in the northern Sacramento
Valley by the Department of Water Resources (DWR) Northern Region Office
(NRO) and monitoring...

The Natural Communities dataset is a compilation of 48 publicly available
State and federal agency datasets that map vegetation, wetlands, springs, and
seeps in California. A working group comprised of DWR, the California
Department of Fish and...